Each MCO, PIHP, and PAHP must provide that its Medicaid enrollees are not held liable for any of the following:
(a) The MCO's, PIHP's, or PAHP's debts, in the event of the entity's insolvency.
(b) Covered services provided to the enrollee, for which--
(1) The State does not pay the MCO, PIHP, or PAHP; or
(2) The State, or the MCO, PIHP, or PAHP does not pay the individual or health care provider that furnishes the services under a contractual, referral, or other arrangement.
(c) Payments for covered services furnished under a contract, referral, or other arrangement, to the extent that those payments are in excess of the amount that the enrollee would owe if the MCO, PIHP, or PAHP provided the services directly.